Oxide coated cutting tool with increased wear resistance and met

Details Oxide coated cutting tool with increased wear resistance and met Oxide coated cutting tool with increased wear resistance and met

1998-03-25

1999-10-19

Turner, Archene

Coating processes

Coating by vapor, gas, or smoke

Base includes an inorganic compound containing silicon or...

4272481, 4272552, 4272553, 4272557, C23C 1600

Patent

active

059685956

ABSTRACT:
An oxide coated cutting tool including a body coated with refractory single- or multilayers one of which consists of single-phase .kappa.-Al.sub.2 O.sub.3 characterized by controlled microstructure with crystal planes preferably grown in the (210)-direction with respect to the exposed sure of the coated body. The oxide coated cutting tool exhibits increased wear properties when machining ball bearing steel.

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patent: 5652045 (1997-07-01), Nakamura et al.
Characterization of .alpha.-Al.sub.2 O.sub.3, .kappa.-Al.sub.2 O.sub.3, and .alpha.-.kappa. Multioxide Coatings on Cemented Carbides, S. Vuorinen et al., Thin Solid Films, Dec. 1990, pp. 536-546.

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